Dual Primary CO2 Regulator Battery - Premium Series Ideal for dispensing two draft beers that require different CO2 pressures. Add-on module type design makes expansion easy. What pressure do I need to set my CO2 beer regulator at? Features: Built for durability: Forged brass body with a chrome plated finish.Nickel-plated valve seats for high corrosion resistance.Constant pressure supply at high output flow rates.Easy to use dial knob for pressure adjustment.Built in CO2 resistant, long lasting solid Nylon inlet seal.Integrated sintered bronze mesh inlet filter. Specifications: TypePrimary Regulator Battery - CO2 InstallationCO2 tank mount (CGA-320 Threads) Performance1 Pressure / 2 Product Output Pressure Gauges0-60 PSI, for accurate product pressure Tank Pressure Gauge0-3000 PSI, for accurate remaining tank pressure CapacitySCFM 3.5 Max Outlet Barbs3/8" O.D. (To fit 5/16" I.D. Gas Hose) Integral PRVsSafety pressure relief valve releases at 55-65 PSI Dimensions7 1/4"H x 13"W Regulator Batteries can be wall mounted with the addition of a wall bracket, and a high pressure CO2 hose allows easy connection to the gas cylinder. To prevent your gas cylinder from falling over and damaging the regulators, be sure the cylinder is always secured in an upright position with either a chain or strap. Additionally, be sure the cylinder is located away from any sources of heat. (For more information, see Do I need to keep the CO2 tank inside the refrigerator?)